Climate and monthly weather forecastUnionville, VA
Climate and monthly weather forecast
Weather in January
January, like December, in Unionville, Virginia, is a wintry winter month, with an average temperature ranging between max 41.5°F (5.3°C) and min 26.4°F (-3.1°C). January is Unionville's coldest month, registering average high temperatures of 41.5°F (5.3°C) and lows of 26.4°F (-3.1°C). Weather in January »Weather in February
The last month of the winter, February, is a frosty month in Unionville, Virginia, with temperature in the range of an average high of 46°F (7.8°C) and an average low of 29.5°F (-1.4°C). February's arrival shows an average high-temperature of a chilly 46°F (7.8°C), hardly different from the previous month. Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Unionville, Virginia, with an average temperature ranging between min 35.8°F (2.1°C) and max 54°F (12.2°C). March's onset brings a minor rise in the average high-temperature, moving from a frosty 46°F (7.8°C) in February to a fresh 54°F (12.2°C). Weather in March »Weather in April
April is a refreshing spring month in Unionville, Virginia, with an average temperature varying between 45.7°F (7.6°C) and 66°F (18.9°C). As April arrives, a rise in the average high-temperature is observed, moving from a fresh 54°F (12.2°C) in March to a comfortable 66°F (18.9°C). Weather in April »Weather in May
May, the last month of the spring in Unionville, is a moderately hot month, with temperature in the range of an average high of 75.6°F (24.2°C) and an average low of 55°F (12.8°C). With the transition into May, Unionville experiences an increase in average high-temperatures, moving up from an enjoyable 66°F (18.9°C) in April to a warm 75.6°F (24.2°C). Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Unionville, Virginia, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 83.8°F (28.8°C). The shift into June is accompanied by a modest temperature increase, with the average high-temperature edging up from 75.6°F (24.2°C) in May to a still moderately hot 83.8°F (28.8°C). Weather in June »Weather in July
July in Unionville, Virginia, is a hot summer month, with temperature in the range of an average high of 88.3°F (31.3°C) and an average low of 66°F (18.9°C). July, recognised by an average high temperature of 88.3°F (31.3°C) and a low of 66°F (18.9°C), is Unionville's warmest month. The heat index for July is estimated at a sweltering 102.2°F (39°C). Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Unionville, Virginia, with an average temperature fluctuating between 86°F (30°C) and 64.4°F (18°C). The advent of August brings an average high-temperature of a still hot 86°F (30°C), exhibiting minor difference from the previous month. Weather in August »Weather in September
September, the first month of the autumn in Unionville, is also a moderately hot month, with an average temperature ranging between min 59.2°F (15.1°C) and max 79.2°F (26.2°C). The onset of September is marked by a minor decrease in temperature, transitioning from a tropical 86°F (30°C) in August to a warm 79.2°F (26.2°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Unionville, Virginia, with an average temperature ranging between max 67.1°F (19.5°C) and min 48.4°F (9.1°C). With October's onset, the average high-temperature recedes from September's warm 79.2°F (26.2°C) to a comfortable 67.1°F (19.5°C). Weather in October »Weather in November
November, the last month of the autumn in Unionville, is another cool month, with an average temperature fluctuating between 54.5°F (12.5°C) and 37.2°F (2.9°C). The start of November involves a temperature drop, moving from a comfortable 67.1°F (19.5°C) in October to a cool 54.5°F (12.5°C). Weather in November »Weather in December
December, the first month of the winter in Unionville, is still a chilly month, with an average temperature fluctuating between 32.7°F (0.4°C) and 46.4°F (8°C). Unionville observes a small decrease in the average high-temperature with the arrival of December, falling from November's fresh 54.5°F (12.5°C) to a chilly 46.4°F (8°C). Weather in December »Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January is Unionville's coldest month, registering average high temperatures of 41.5°F (5.3°C) and lows of 26.4°F (-3.1°C).
The months with the least rainfall are January and September Rain falls for 10.1 days and accumulates 1.85" (47mm) of rain.
Throughout the year, in Unionville, there are 158.3 rainfall days, and 28.5" (724mm) of precipitation is accumulated.
Months with snowfall are January through April, November and December.
January is the month with the most snowfall in Unionville. Snow falls for 4.9 days and accumulates 2.99" (76mm) of snow.
In Unionville, during the entire year, snow falls for 16.2 days and aggregates up to 10.75" (273mm) of snow.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
The month with the most rainfall is April, when the rain falls for 15.3 days and typically aggregates up to 2.95" (75mm) of precipitation.
May through October are months without snowfall.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
With an average of 14h and 48min of daylight, June has the longest days of the year.
July registers as the month with the average highest temperatures in Unionville, reaching 88.3°F (31.3°C) at its peak and 66°F (18.9°C) at the lowest.
July is the least humid month, with an average relative humidity of 71%.
The month with the most sunshine is July, with an average of 10.7h of sunshine.
With an average relative humidity of 78%, December is the most humid month.
The month with the shortest days is December, with an average of 9h and 36min of daylight.
With an average of 5.3h of sunshine, December has the least sunshine of the year.
Average temperature
Unionville, VA
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.5°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure
Unionville, VA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed
Unionville, VA
- Average wind speed in January:
6mph - Average wind speed in February:
6.3mph - Average wind speed in March:
6.5mph - Average wind speed in April:
6.7mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.6mph - Average wind speed in August:
4.5mph - Average wind speed in September:
5mph - Average wind speed in October:
5.7mph - Average wind speed in November:
5.7mph - Average wind speed in December:
5.4mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity
Unionville, VA
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).
Average rainfall
Unionville, VA
- Average rainfall in January:
1.85" - Average rainfall in February:
1.97" - Average rainfall in March:
2.4" - Average rainfall in April:
2.95" - Average rainfall in May:
2.91" - Average rainfall in June:
2.4"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.64" - Average rainfall in September:
1.85" - Average rainfall in October:
2.4" - Average rainfall in November:
2.24" - Average rainfall in December:
2.56"
The wettest month (with the highest rainfall) is April (2.95").
The driest months (with the least rainfall) are January and September (1.85").
Average rainfall days
Unionville, VA
- Average rainfall days in January:
10.1 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
14.4 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
14.4 days
- Average rainfall days in July:
16.5 days - Average rainfall days in August:
15.5 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
11.2 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (9.1 days).
Average snowfall
Unionville, VA
The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Unionville, VA
- Average snowfall days in January:
4.9 days - Average snowfall days in February:
4.8 days - Average snowfall days in March:
3.5 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
2.4 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Unionville, VA
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
5h and 30min - Average sunshine in February:
5h and 42min - Average sunshine in March:
6h and 54min - Average sunshine in April:
9h and 12min - Average sunshine in May:
9h and 12min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 54min - Average sunshine in November:
6h and 6min - Average sunshine in December:
5h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days
Unionville, VA
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
14.9 days - Average sunshine days in October:
18.3 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
18.2 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.7 days).
Average UV index
Unionville, VA
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Unionville, VA
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Unionville, VA
The months with the highest visibility are February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, May and September (5mi).
